18 gorgeous photos to celebrate the deep blue glory of the world’s oceans

IN PICTURES: The oceans are our lifeblood and our playground. Let these stunning images inspire us to do a better job of protecting them.

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Watch a live tour of the Great Barrier Reef as divers film with iPads

A live 12-hour interactive show about the Great Barrier Reef, featuring underwater tweets and footage from divers, is being broadcast on YouTube. Watch the video below.

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